钼

We have tested several terrestrial samples, such as Mo, Ti, Ni, ilmenite, titanite, rutile, pyrite, forsterite and melilite. We have also attempted to analyze our first meteorite sample.

我们已经测试了许多地球标本，包含了钼、钛、镍与钛铁矿、楔石、金红石、黄铁矿、镁橄榄石和方柱石，同时也尝试了我们第一个陨石的标本。

Among several neutral oils, transformer oil shows the best agglomeration effect. For the complex tailings, in which over 90% of molybdenum distributed in the range of -0.038 mm, the optimal dosage of transformer oil and frother was about 12 kg/t and 0.5 kg/t respectively, and the least agitation time and rate should above 3 min and 400 r/min, respectively.

结果表明，在众多中性油中，变压器油表现出了较好的油团聚浮选效果，对于钼金属分布率高于90%的-0.038mm粒级的浮选尾矿，其合适用量需达到12kg/t左右，与之配合的起泡剂用量在0.5kg/t左右，油团聚时间及搅拌强度分别需达到3min和400r/min以上。

A phospho molybdic acid catalyst was investigated for the esterification of fumaric acid with methanol in this paper.

研究了以磷钼酸为催化剂，富马酸和甲醇为原料合成富马酸二甲酯，探讨了酸醇量比、反应时间、催化剂用量等工艺参数对 DMF收率的影响。

A new method employing furoic acid and the n-butanol to synthesize the furoic acid-n-butyrate flavor has been reported in this paper.

以糠酸和正丁醇为原料，改性钼镍粉作催化剂取代以往常用的硫酸作催化剂，合成糠酸正丁酯香料。

The crystalline mechanism of heteronuclear crystalline is found out by theoretical analyzing the chemical property of molybdenum delay composition.

通过对钼系延期药各组分的性质的分析研究，从理论上探讨其异核结晶的结晶机理。

Mixed-addenda heteropolyacid ; catalysis ; 2-octanol ; hexa noic acid

磷、钼、钒多元杂多酸；催化作用；仲辛醇；己酸

This paper studied the synthesis of isoamyl acetate using silver phosphotungstomolybdate heteroployacid as catalyst.

制备了固体磷钼钨杂多酸银盐，并以此为催化剂，对醋酸异戊酯的合成反应进行了研究，探讨了催化剂用量、醇酸摩尔比、反应时间和催化剂重复使用对酯产率的影响。

With the material of propionic acid and isobutyl alcohol,the synthesis of isobutyl propionate by using solid Mo-Ni Catalyst to replace common vitriol is studied.

以丙酸和异丁醇为原料，以改性钼镍粉取代以往常用的硫酸作催化剂，进行了丙酸异丁酯的合成研究。

Using copper sulfate as catalyst, pyridine-3, 4-dicarboxylic acid was synthesized by oxidizing isoquinoline with concentrated nitric acid at high temperature, and the yield was 71.4%.

在钼酸铵存在下，采用固相烘焙法，2，3-吡啶二甲酸和3，4-吡啶二甲酸分别与尿素和氯化亚铜作用得到了氮杂铜酞菁。

All cases of X-ray signs included small node 8 cases,mass with spiculate border and lobulate margins 20 cases,cluster microcalcification 26 cases,structure tortuosity disorder 10 cases,small laminated density markup 7 cases,the partial blood vessel increases thickly 3 cases,4 cases with normal digital mammography which were done by color ultra promptly,low echo tubercle were confirmed for breast cancer by instrument.

其中8例呈小结节影，20例呈肿块伴有毛刺样改变或呈分叶状，26例仅有成簇细小点状钙化，10例局部结构扭曲紊乱，7例局限性小片状密度增高，3例表现为局部血管增多增粗，4例患者彩超提示低回声结节，数字钼靶未发现明显病变，经穿刺活检证实为乳腺癌。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐